Note 5 - Loans Receivable and the Allowance for Loan Losses (Details) - Past Due Loans (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days past due	$ 3,928	$ 1,127
60-89 days past due	688	2,425
90 days or more past due	770	3,622
Total past due loans	5,386	7,174
Current	496,366	470,616
Loans	501,752	477,790
Commercial:Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days past due	112	76
90 days or more past due	17
Total past due loans	129	76
Current	111,210	99,987
Loans	111,339	100,063
Commercial:Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	15,929	11,061
Loans	15,929	11,061
Commercial:Secured by Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days past due	1,126	407
60-89 days past due	361	1,460
90 days or more past due	255	3,097
Total past due loans	1,742	4,964
Current	188,860	187,903
Loans	190,602	192,867
Commercial Secured By Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days past due	1,242	44
60-89 days past due	98	523
90 days or more past due	105	293
Total past due loans	1,445	860
Current	46,227	40,143
Loans	47,672	41,003
State And Political Subdivisions [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days past due	65	71
60-89 days past due	65	1
Total past due loans	130	72
Current	33,643	34,184
Loans	33,773	34,256
Loans To Depository Institutions [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	1,250	3,250
Loans	1,250	3,250
Indirect Lease Financing [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days past due	311	344
60-89 days past due	152	80
90 days or more past due		35
Total past due loans	463	459
Current	7,901	9,226
Loans	8,364	9,685
Retail:1-4 Family Residential Mortgages [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days past due	752
60-89 days past due	5	197
90 days or more past due	270
Total past due loans	1,027	197
Current	28,703	28,536
Loans	29,730	28,733
Retail Home Equity Loans And Lines [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days past due	295	152
60-89 days past due	2	153
90 days or more past due	106	197
Total past due loans	403	502
Current	59,574	54,358
Loans	59,977	54,860
Retail:Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
30-59 days past due	25	33
60-89 days past due	5	11
90 days or more past due	17
Total past due loans	47	44
Current	3,069	1,968
Loans	$ 3,116	$ 2,012